对有长蒂的结肠息肉,术中选择肠壁切开部位时常有不准,造成要扩大切口及增加腹腔污染。近两年来我们采用下述方法定位20例,均能迅速准确地在息肉根部的肠壁上作小切口切除。现介绍如下: 开腹找到息肉所在肠段后,利用数学的原理, For colonic polyps with long pedicles, the site of incision of the bowel wall is often not allowed during surgery, resulting in enlarged incisions and increased abdominal contamination. In the past two years, we have used the following methods to locate 20 cases. Both of them can quickly and accurately make small incisions on the intestinal wall of the polyps. The following is the introduction: After opening the abdomen to find the intestine of the polyp, use the principle of mathematics.